11321003 has 2 divisors, whose sum is σ = 11321004.
Its totient is φ = 11321002.
The previous prime is 11320973. The next prime is 11321029. The reversal of 11321003 is 30012311.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 11321003 - 222 = 7126699 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (11321053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660501 + 5660502.
It is an arithmetic number, because the mean of its divisors is an integer number (5660502).
Almost surely, 211321003 is an apocalyptic number.
11321003 is a deficient number, since it is larger than the sum of its proper divisors (1).
11321003 is an equidigital number, since it uses as much as digits as its factorization.
11321003 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 11321003 is about 3364.6698203538.
The cubic root of 11321003 is about 224.5406463739.
Adding to 11321003 its reverse (30012311), we get a palindrome (41333314).
The spelling of 11321003 in words is "eleven million, three hundred twenty-one thousand, three".